Performers dance on a stage set with London landmarks during the Closing Ceremony at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Ivan Sekretarev)

Photo by: Ivan Sekretarev

Performers dance on a stage set with London landmarks during the Closing Ceremony at the 2012 Summer Olympics, Sunday, Aug. 12, 2012, in London. (AP Photo/Ivan Sekretarev)